Fever is also known as hyperthermia, pyrexia, or elevated temperature. It describes a body temperature that's higher than normal. Fever can affect children and adults. A short-term increase in body temperature can help your body fight off illness.

Vomiting, or throwing up, is a forceful
discharge of stomach contents. It can be a one-time event linked to something
that doesn't settle right in the stomach. Recurrent vomiting may be cause by
underlying medical conditions. Frequent vomiting may...